function setActiveMenu(links, crtPage){
    for (var i=0; i < links.length; i++) {
        var tamanho = links[i].href.length;
        if(links[i].href == crtPage.substr(0,tamanho)) {
            if (links[i].parentNode.tagName != "div") {
                links[i].className = "current";
                links[i].parentNode.className = "current";
            }
        }
    }
}

function setPage(){
    hrefString = document.location.href ? document.location.href : document.location;
    if (document.getElementById("buttons") !=null ) {
        setActiveMenu(document.getElementById("buttons").getElementsByTagName("a"), hrefString);
    }
}